A trader on the floor of the New York Stock Exchange

A trader watches stocks on the floor of the New York Stock Exchange on August 3, 2009. Stocks rose throughout the day and the Dow Jones was over 100 points by the end of the afternoon.

A trader watches stocks on the floor of the New York Stock Exchange on August 3, 2009. Stocks rose throughout the day and the Dow Jones was over 100 points by the end of the afternoon. (Spencer Platt/Getty Images)

A trader watches stocks on the floor of the New York Stock Exchange on August 3, 2009. Stocks rose throughout the day and the Dow Jones was over 100 points by the end of the afternoon.Spencer Platt/Getty Images